I had the same problem.
To remove this:
1: run 'msconfig' at the start prompt.
2: Goto 'startup' tab and find nspadusb and un-tick.
3: Restart machine.
4: Once restarted navigate to local data - windows 7 c:users[user]appDatalocal
5: delete directory nsPadusb
This is a poor attempt at hajacking I think.

The IP address 66.230.138.163 is continually blocked by my AV as URL Malware. It seems clear that some data is being collected via various complaints procedures which do nothing but collect data.
The Malicious URL now tries to gain access every 30 seconds or so how do I stop it ?